chore: 整理项目配置与代码优化

1.  统一前端环境变量命名，新增通用项目标题配置
2.  修复后端接口参数绑定方式，将Depends改为Query适配FastAPI解析
3.  优化表格列排序、搜索过滤功能与页面布局样式
4.  重构路由与状态管理代码，移除循环依赖
5.  更新依赖版本与脚本命令，修复构建警告
6.  调整多语言文案与快捷入口配置
7.  修复通知中心样式与接口返回格式

backend/app/api/v1/module_ai/chat/controller.py

@@ -2,7 +2,7 @@ import asyncio
 import json
 from typing import Annotated, Any
 
-from fastapi import APIRouter, Body, Depends, Path, Security, WebSocket, WebSocketDisconnect, status
+from fastapi import APIRouter, Body, Depends, Path, Query, Security, WebSocket, WebSocketDisconnect, status
 from fastapi.responses import JSONResponse
 from redis.asyncio import Redis
 
@@ -44,7 +44,7 @@ async def get_session_detail_controller(
 async def get_session_list_controller(
     auth: Annotated[AuthSchema, Security(AuthPermission(["module_ai:chat:query"]))],
     page: Annotated[PaginationQueryParam, Depends()],
-    search: Annotated[ChatSessionQueryParam, Depends()],
+    search: Annotated[ChatSessionQueryParam, Query()],
 ) -> JSONResponse:
     service = ChatService(auth)
     result_dict = await service.page(